A horse trailer was off the left side of the road near Northway Exit 6 northbound on Friday morning. (Paul Grondahl/Times Union)

A horse trailer was off the left side of the road near Northway Exit 6 northbound on Friday morning. (Paul Grondahl/Times Union)

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A horse trailer was off the left side of the road near Northway Exit 6 northbound on Friday morning. (Paul Grondahl/Times Union)

A horse trailer was off the left side of the road near Northway Exit 6 northbound on Friday morning. (Paul Grondahl/Times Union)

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A horse trailer was off the left side of the road near Northway Exit 6 northbound on Friday morning. (Paul Grondahl/Times Union)

A horse trailer was off the left side of the road near Northway Exit 6 northbound on Friday morning. (Paul Grondahl/Times Union)

Photo: Picasa

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Northway traffic moving again

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All lanes but one on a portion of the Northway northbound have reopened after a trio of crashes slowed traffic Friday, according to the state Department of Transportation.

The right lane near exit 15 in Saratoga County will remain closed until repairs are made to the guiderails and Route 29 overpass south of exit 15. State Police responded to the scene at 1:38 a.m. Timothy Dennison, 49, of Galway was driving a Price Chopper tractor-trailer that left the east side of the road, striking guiderails and damaging the overpass.

The truck, loaded with food, continued north and came to rest in woods off the highway's east shoulder. Dennison was treated at the scene for minor injuries.

The cause of the accident remains under investigation. Saratoga Springs Fire Department and EMS also responded.

Additional lanes were closed before the truck was towed.

The DOT says accident sites have been cleared at Exit 2W northbound and between exits 5 and 6, where a horse trailer went off the left lane just before 8 a.m.

In addition, the right lane at exit 15 northbound is closed for road construction until 3:30 p.m. Friday, according to the DOT.